/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/Abilities/GameplayAbility.h
Applies the ability's cost to the target
virtual void ApplyCost ( const [FGameplayAbilitySpecHandle](API\Plugins\GameplayAbilities\FGameplayAbilitySpecHandle) Handle, const [FGameplayAbilityActorInfo](API\Plugins\GameplayAbilities\Abilities\FGameplayAbilityActorInfo) * ActorInfo, const [FGameplayAbilityActivationInfo](API\Plugins\GameplayAbilities\FGameplayAbilityActivationInfo) ActivationInfo ) const